Cautery Pen Sleeve with Spring-Loaded Retraction and Trigger Access
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Solution Overview
Problem
Current electrocautery devices lack effective protection against accidental actuation, which can lead to fires or burns due to their large and clumsy holsters, and there is a need for a safer mechanism to prevent accidental activation of the pen tip.
Innovation Solution
A compression spring automated retractable protective electrocautery pen tip cover system that includes a sleeve with a trigger actuation opening, allowing activation only when the pen is secured and in a retracted configuration, and a resilient member to urge the sleeve to a non-retracted position for protection, integrated with a stabilization system and resistance bar for secure retraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large clumsy plastic box holster is used to prevent accidental actuation, then safety against accidental actuation is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The protective sleeve is nested within the existing pen structure, with the sleeve containing the pen tip and trigger mechanism. This nested configuration provides protection without requiring a separate external holster, thereby maintaining safety while reducing device complexity.
Solution Approach 2:
The protective function is extracted from a separate external holster and integrated directly into the pen structure through the sleeve. This extraction eliminates the need for a large external box while maintaining the protective function, reducing overall device complexity.
2Reliability
If a large clumsy plastic box holster is used to prevent accidental actuation, then safety against accidental actuation is improved, but ease of operation deteriorates
Solution Approach 1:
The sleeve is nested within the pen structure, allowing the pen to be manipulated directly without removing or manipulating a separate holster. This maintains ease of operation while providing protection through the integrated sleeve structure.
3Ease of operation
If the pen is left exposed without protection, then ease of operation is improved, but harmful factors increase due to accidental actuation risk
Solution Approach 1:
The sleeve acts as an intermediary barrier between the external environment and the pen trigger mechanism. It provides a protective interface that prevents accidental actuation while still allowing intentional activation when needed, thus reducing harmful factors without significantly impeding ease of operation.
Solution Approach 2:
The sleeve provides preliminary protection by physically blocking access to the trigger before any accidental actuation can occur. This pre-established barrier prevents harmful actions from happening in the first place, while still allowing legitimate use when the sleeve is properly manipulated.
4Reliability
If a protective cover is added to prevent accidental actuation, then safety is improved, but device complexity increases
Solution Approach 1:
The protective sleeve is merged with the pen structure, combining the protection function with the existing pen design. This integration adds minimal complexity compared to a separate holster while providing effective protection against accidental actuation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively prevents accidental actuation of the electrocautery pen tip, reducing the risk of fires and burns by ensuring the tip is covered and protected when not in use, enhancing safety in the operating room environment.
Implementation Method 1
a compression spring automated retractable protective electrocautery pen tip cover
Implementation Method 2
a resilient member to urge the sleeve to a non-retracted position for protection
Data Source
AI summary
A cautery pen tip accessory cover comprises a cylindrical member that can receive a cautery pen in a first end and the tip of the cautery pen can extend from a second opposite end when the cover is in a retracted configuration. The cylindrical member has an opened lateral exposure that allows the feel of the cautery pen therethrough. A cover exposure opening in the cylindrical member to provide access to a trigger of the cautery pen when the cautery pen tip cover is in the retracted configuration. A resilient member urges the cautery pen tip cover to the non-retracted configuration where access to the cautery pen trigger is prevented. The cylindrical member is easily retracted by a finger ring configured permanently into the cylindrical member, allowing easy retraction of the cover by the operator squeezing the cover to a resistance bar stabilization system accessory configured over the cautery pen.